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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/03/16 07:32:51 UTC

[GitHub] [arrow-datafusion] alamb commented on issue #2015: Eliminate some filter which was pushed down

alamb commented on issue #2015:
URL: https://github.com/apache/arrow-datafusion/issues/2015#issuecomment-1068820110


   I wonder if we could/should change the DataFusion explain plans to make it clearer that the predicate / filter in the scan may be inexact / partially applied
   
   In other words, if `TableProvider:: supports_filter_pushdown` returns `TableProviderFilterPushDown::Inexact`
   
   https://github.com/apache/arrow-datafusion/blob/d31c1579fdc2ad060bc46c4fcfef14cc7676da6b/datafusion/src/datasource/datasource.rs#L116-L123
   
   https://github.com/apache/arrow-datafusion/blob/d31c1579fdc2ad060bc46c4fcfef14cc7676da6b/datafusion/src/datasource/datasource.rs#L54-L67


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